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Patek Philippe - Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series - The Keystone Watches

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

Patek Philippe Yellow Gold Chronograph Ref. 3970, Fourth Series

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Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

Patek Philippe Yellow Gold Pocket Watch Minute Repeater, Circa 1905

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Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

Patek Philippe Platinum Perpetual Calendar Minute Repeater Ref. 5074, Single Sealed

"Price upon request"
 

Rolex White Gold Day-Date Ref. 18039 with Pinball Dial (New Arrival)

Rolex White Gold Day-Date Ref. 18039 with Pinball Dial (New Arrival)

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Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

Richard Mille Titanium Watch Ref. RM037

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Rolex - Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial - The Keystone Watches

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial

Rolex Yellow Gold Day-Date Watch Ref. 18038 with Pyramid Onyx Dial

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Audemars Piguet - Audemars Piguet White Gold Tonneau Watch Ref. 5369 with Rare Linen Dial - The Keystone Watches

Audemars Piguet White Gold Tonneau Watch Ref. 5369 with Rare Linen Dial

Audemars Piguet White Gold Tonneau Watch Ref. 5369 with Rare Linen Dial

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Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

Patek Philippe Yellow Gold Perpetual Calendar Ref. 5040J

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Patek Philippe Yellow Gold Ellipse Ref. 3738

Patek Philippe Yellow Gold Ellipse Ref. 3738

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Patek Philippe Yellow Gold Aquanaut Ref. 5065

Patek Philippe Yellow Gold Aquanaut Ref. 5065

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Piaget Yellow Gold Polo Ref. 9131 with Pave Diamond and Ruby Dial (New Arrival)

Piaget Yellow Gold Polo Ref. 9131 with Pave Diamond and Ruby Dial (New Arrival)

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Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet

Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet

Piaget Yellow Gold Polo Ref. 861 with Mother of Pearl & Opal dial and Sapphire and Diamond Bracelet

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Patek Philippe - Patek Philippe Yellow Gold Calatrava Ref. 3893 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Ref. 3893

Patek Philippe Yellow Gold Calatrava Ref. 3893

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Piaget White Gold Bracelet Watch Ref. 9133 with Onyx Dial (New Arrival)

Piaget White Gold Bracelet Watch Ref. 9133 with Onyx Dial (New Arrival)

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Rolex - Rolex Yellow Gold Datejust Ref. 68278 Retailed by Tiffany & Co - The Keystone Watches

Rolex Yellow Gold Datejust Ref. 68278 Retailed by Tiffany & Co

Rolex Yellow Gold Datejust Ref. 68278 Retailed by Tiffany & Co

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Rolex Yellow Gold Day-Date Ref. 18208 with Mother of Pearl

Rolex Yellow Gold Day-Date Ref. 18208 with Mother of Pearl

Rolex Yellow Gold Day-Date Ref. 18208 with Mother of Pearl

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Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904

Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904

Patek Philippe Yellow Gold and Enamel Pocket Watch, Circa 1904

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Patek Steel UFO Automatic Backwind Watch Ref. 3580 with Blue Dial (New Arrival)

Patek Steel UFO Automatic Backwind Watch Ref. 3580 with Blue Dial (New Arrival)

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Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

Patek Philippe Yellow Gold Pocket Watch with Guilloche Dial

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Piaget - Piaget Yellow Gold Watch Ref. 5894 in New Old Stock Condition - The Keystone Watches

Piaget Yellow Gold Watch Ref. 5894 in New Old Stock Condition

Piaget Yellow Gold Watch Ref. 5894 in New Old Stock Condition

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Vacheron Constantin Yellow Gold Watch Ref. 2096P

Vacheron Constantin Yellow Gold Watch Ref. 2096P

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Audemars Piguet - Audemars Piguet Yellow Gold Jules Audemars Date Tourbillon Watch Ref. 25718BA - The Keystone Watches

Audemars Piguet Yellow Gold Jules Audemars Date Tourbillon Watch Ref. 25718BA

Audemars Piguet Yellow Gold Jules Audemars Date Tourbillon Watch Ref. 25718BA

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New Arrivals Preview
 
Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

Patek Philippe Yellow Gold Tonneau Ref. 2469 (New Arrival)

$19,800 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

Breguet Steel Chronograph Watch, 1940s (New Arrival)

$75,000 USD
 
Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

Cartier Yellow Gold Bracelet Watch (New Arrival)

$30,000 USD
 
Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

Patek Philippe Yellow Gold Calatrava Breguet Numerals Ref. 2533 (New Arrival)

$105,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Audemars Piguet - Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

Audemars Piguet White Gold Rectangular Watch with Lapis Watch (New Arrival)

$18,000 USD
Shop all New Arrivals Preview

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Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

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